/*
 *This is the root component of the SqueakEasy.
 *[Header with internal data structures and information]
 *
 * Copyright 2003 Joseph Pingenot

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  *
  *
  */

/*The size of a string chunk in bytes.  Note that there is no terminating zero
 * except in the last chunk*/
#define SQKEZ_STRINGCHUNKLEN 1024
/*The struct which stores the string components*/
struct stringchunk {
  int        end;                        /*offset of the last character into this chunk
					  *  If this block is full, of course, this is
					  *  SQKEZ_STRINGCHUNK - 1*/
  char       chunk[SQKEZ_STRINGCHUNKLEN];   /*the string chunk storage*/
  struct stringchunk *next;              /*Next chunk in the list*/
};

/*FUNCTIONS!*/

/*reads a full, arbitrary-length line from the client on fd.
 *ARGS:
 *  fd  file descriptor to read from
 *  len pointer to the length of the buffer.
 *RETURNS
 *  a pointer to the new null-terminated line (sans newline).
 *  the length of the string in len
 */
char *readline(int fd, long int *len);